While I agree with Leo that some additional details might help us to understand your problem better, I believe that there are some things that we can say based on the few details that you have provided. In my experience memory problems are most often the result of software issues, though there are sometimes problems related to hardware. If it is possible I suggest that you try a different version of software on these 2911s. Also if these routers are under a maintenance contract then opening a case with Cisco TAC would be a good thing to do.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.